ChemistryUses of Zinc Uses of Zinc (Zn) Zinc is used for galvanization of iron. Used as a reducing agent. Zinc also used in alloys such as brass, bronze and…
ChemistryUses of Nickel Nickel (Ni) is used, 1) In a finely divided form (known as raney nickel) as a catalyst in the hydrogenation of oils and fats. 2)…
ChemistryVarious form of Iron Three various form of Iron are, Cast Iron Cast iron is the least pure of the irons, and contains 2.5 – 4.5% of carbon. The…
ChemistryWhat is Passivity of Iron? When a piece of iron is brought in contact with dilute sulphuric acid, a vigorous reaction begins and hydrogen gas starts coming out. The same…
ChemistryWhy is conc. HCl used in flame test? In the flame test compounds of some metals, in the presence of conc. HCl, form different colored flames. In the flame test, electrons in both…
ChemistryUses of Iodine Iodine is used. In medicines, e.g., for the preparation of tincture of iodine (solution of iodine in alcohol + water containing potassium iodide antiseptic), and…
ChemistryUses of Bromine Bromine is used, As an oxidizing agent. In photography for making silver bromide. For the synthesis of dyes, drugs etc. For the synthesis of diboromoethane,…
ChemistryUses of Chlorine Chlorine is used, As a bleaching agent for yarn, textiles, paper pulp etc. For sterilization or chlorination of drinking water (water treatment). For the manufacture…
ChemistryUses of Fluorine Uses of Fluorine Fluorine is so difficult to handle that until World War II it had practically no commercial use. Some of the present day…
ChemistryIndustrial production of iodine from sea weeds In sea-weeds there exist sodium & potassium iodide along with other compounds. From these weeds iodide is extracted & from that iodine is released. The…